SU464878A1 - Dual inductive voltage divider with eddy current sensors - Google Patents
Dual inductive voltage divider with eddy current sensorsInfo
- Publication number
- SU464878A1 SU464878A1 SU1952887A SU1952887A SU464878A1 SU 464878 A1 SU464878 A1 SU 464878A1 SU 1952887 A SU1952887 A SU 1952887A SU 1952887 A SU1952887 A SU 1952887A SU 464878 A1 SU464878 A1 SU 464878A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- eddy current
- voltage divider
- current sensors
- inductive voltage
- dual inductive
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
подключени к общему нулю схемы. Контакты 3 и 4 и выводные контакты 5 и 6 делителей расположены симметричко. Длина цилиндрической катушки индуктивности прин та в два раза меньшей, чем диа.метр «аКладыого датчика.connect to a common circuit zero. Pins 3 and 4 and output contacts 5 and 6 dividers are located symmetrically. The length of the cylindrical inductance coil is half as small as the diameter of the deposited sensor.
Двойной индуктивный делитель напр жени питаетс га.рмонИческим па ркжением измен ющейс частоты. Источтж этого напр жени подключен к делителю в точках 3 и 4. При внесении исследуемого образца в ближнюю зону пол накладного токовихревого датчика / (правого или левого) измен етс индуктивное и сопротивление его, а следовательно, амплитуда и фаза напр л ени , снимаемого с делител , содержащего рабочий датчик. Путем делени сигналов , снимаемых с индуктивных делителей напр жени , содержащих рабочий и эталонный датчики (сигналы с.нимают1с в точках 5 и 6 относительно точки 4), и измерени разности фаз между ними, получают сигналы, проиорпиональные в непрерывном частотном диапаА - АA dual inductive voltage divider is powered by a harmonic voltage suppressing variable frequency. The source of this voltage is connected to the divider at points 3 and 4. When the test sample is introduced into the near zone, the field of the eddy current sensor / (right or left) changes its inductive and resistance, and hence the amplitude and phase of the voltage taken from the divider. containing a working sensor. By dividing the signals taken from the inductive voltage dividers, containing the working and reference sensors (the signals are taken at points 5 and 6 relative to point 4), and measuring the phase difference between them, they receive signals that are continuous in the frequency range.
зоне соответствеипо а ji исследуемых мате| )иалов.corresponding to the ji of the studied mate | a) oyalov
.Предмет и з о б :р е т е н и . Subject and sb: rete n and
Двойной индуктивный делитель напр жетс с то.ковихревыми датчикаими, содержащий два а-гмметр.ично расположе-нных индуктивных делител , отличающийс тем, что, с целью повыщени чувств-ительности измеренийA dual inductive divider is a voltage with a whirling sensor, containing two a-mm meters of locally arranged inductive dividers, characterized in that, in order to increase the sensitivities of the measurements
в широком частотном диапазоне, каждый из делителей .выполнен в виде соединенных последовательно накладного токовихревого датчика в форме однослойной катушк-и индуктивности со спиральной намоткой и меньшей поin a wide frequency range, each of the dividers. is made in the form of an overhead eddy-current sensor connected in series in the form of a single-layer coil-and inductance with a spiral winding and a smaller
размерам, но не менее чем в два раза, цилиндрической .катушки индуктивности, лричем на(Кладные датчики расположены компланарно на рассто нии диаметра датчиков друг от друга, а цилиндрические .катушки пндуктивности расположены под накладными на расгто нии диаметра накладного датчика от них, параллельно их плоскости, по общей оси, на рассто нии не менее двух диаметров катушек одна относительно другой.dimensions, but not less than two times, of a cylindrical inductance coil, lyric on (Patch sensors are located coplanarly at a distance of the diameter of the sensors from each other, and cylindrical coils of inductance are located under the patch on the diameter of the surface sensor from them, parallel to them plane, along a common axis, at a distance of at least two coil diameters one relative to another.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1952887A SU464878A1 (en) | 1973-08-06 | 1973-08-06 | Dual inductive voltage divider with eddy current sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1952887A SU464878A1 (en) | 1973-08-06 | 1973-08-06 | Dual inductive voltage divider with eddy current sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU464878A1 true SU464878A1 (en) | 1975-03-25 |
Family
ID=20562634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1952887A SU464878A1 (en) | 1973-08-06 | 1973-08-06 | Dual inductive voltage divider with eddy current sensors |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU464878A1 (en) |
-
1973
- 1973-08-06 SU SU1952887A patent/SU464878A1/en active
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